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9187042 = 214930829
BaseRepresentation
bin100011000010…
…111011100010
3122021202020211
4203002323202
54322441132
6524524334
7141042244
oct43027342
918252224
109187042
1152053a7
1230b06aa
131b98827
141312094
15c17147
hex8c2ee2

9187042 has 8 divisors (see below), whose sum is σ = 13873500. Its totient is φ = 4562544.

The previous prime is 9187039. The next prime is 9187049. The reversal of 9187042 is 2407819.

It can be written as a sum of positive squares in 2 ways, for example, as 9186961 + 81 = 3031^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a pancake number, because a pancake can be divided into 9187042 parts by 4286 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 9186995 and 9187013.

It is not an unprimeable number, because it can be changed into a prime (9187049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15117 + ... + 15712.

Almost surely, 29187042 is an apocalyptic number.

9187042 is a deficient number, since it is larger than the sum of its proper divisors (4686458).

9187042 is a wasteful number, since it uses less digits than its factorization.

9187042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30980.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 9187042 is about 3031.0133618973. The cubic root of 9187042 is about 209.4394878804.

The spelling of 9187042 in words is "nine million, one hundred eighty-seven thousand, forty-two".

Divisors: 1 2 149 298 30829 61658 4593521 9187042